Date: Tue, 18 Aug 2020 15:34:48 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 247912] IPv6 ndp does not work across local bridge members Message-ID: <bug-247912-7501-dB2aFwsEbc@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-247912-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-247912-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D247912 --- Comment #2 from Martin Birgmeier <d8zNeCFG@aon.at> --- Hi Li, Since you want it "before and after the creation of bridge0", the following= is from the host; but the issue actually occurs on the client - I'll provide t= he output for that, too. Host before "bridge0 create" and "tap904 create": [0]# ndp -a Neighbor Linklayer Address Netif Expire S F= lags 2002:b2bf:ee7e:4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0::4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0:0:0:4d42::e1 20:cf:30:55:5c:b6 re0 permanent R=20 fe80::22cf:30ff:fe55:5cb6%re0 20:cf:30:55:5c:b6 re0 permanent R=20 gandalf.xyzzy 00:03:0d:4f:f3:a7 re0 23h57m34s S R fe80::203:dff:fe4f:f3a7%re0 00:03:0d:4f:f3:a7 re0 23h55m33s S R fe80::218:e7ff:fee0:807b%re0 00:18:e7:e0:80:7b re0 23h55m33s S R hal.xyzzy 20:cf:30:55:5c:b6 re0 permanent R=20 mizar.xyzzy f0:de:f1:98:86:a9 re0 23h58m35s S=20 [0]#=20 After "ifconfig bridge0 create && ifconfig bridge0 addm re0 && ifconfig bri= dge0 up": [0]# ndp -a=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 Neighbor Linklayer Address Netif Expire S F= lags 2002:b2bf:ee7e:4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0::4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0:0:0:4d42::e1 20:cf:30:55:5c:b6 re0 permanent R=20 fe80::22cf:30ff:fe55:5cb6%re0 20:cf:30:55:5c:b6 re0 permanent R=20 gandalf.xyzzy 00:03:0d:4f:f3:a7 re0 23h58m48s S R fe80::203:dff:fe4f:f3a7%re0 00:03:0d:4f:f3:a7 re0 23h51m46s S R fe80::218:e7ff:fee0:807b%re0 00:18:e7:e0:80:7b re0 23h51m46s S R hal.xyzzy 20:cf:30:55:5c:b6 re0 permanent R=20 mizar.xyzzy f0:de:f1:98:86:a9 re0 23h59m48s S=20 [0]#=20 After "ifconfig tap904 create && ifconfig bridge0 addm tap904": [0]# ndp -a=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20 Neighbor Linklayer Address Netif Expire S F= lags 2002:b2bf:ee7e:4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0::4d42:22cf:30ff:fe55:5cb6 20:cf:30:55:5c:b6 re0 permanent R=20 fec0:0:0:4d42::e1 20:cf:30:55:5c:b6 re0 permanent R=20 fe80::22cf:30ff:fe55:5cb6%re0 20:cf:30:55:5c:b6 re0 permanent R=20 gandalf.xyzzy 00:03:0d:4f:f3:a7 re0 23h58m2s S R fe80::203:dff:fe4f:f3a7%re0 00:03:0d:4f:f3:a7 re0 23h51m0s S R fe80::218:e7ff:fee0:807b%re0 00:18:e7:e0:80:7b re0 23h51m0s S R hal.xyzzy 20:cf:30:55:5c:b6 re0 permanent R=20 mizar.xyzzy f0:de:f1:98:86:a9 re0 23h59m2s S=20 [0]#=20 Now starting the bhyve VM; the rest is from inside the VM. Before manually added ndp entries: [0]# ndp -a Neighbor Linklayer Address Netif Expire S F= lags v904.xyzzy 00:a0:98:50:35:17 vtnet0 permanent R=20 gandalf.xyzzy 00:03:0d:4f:f3:a7 vtnet0 23h59m57s S R fe80::203:dff:fe4f:f3a7%vtnet0 00:03:0d:4f:f3:a7 vtnet0 23h59m2s S R fe80::218:e7ff:fee0:807b%vtnet0 00:18:e7:e0:80:7b vtnet0 23h59m2s S R 2002:b2bf:ee7e:4d42:2a0:98ff:fe50:3517 00:a0:98:50:35:17 vtnet0 permanent R= =20 fec0::4d42:2a0:98ff:fe50:3517 00:a0:98:50:35:17 vtnet0 permanent R=20 fe80::2a0:98ff:fe50:3517%vtnet0 00:a0:98:50:35:17 vtnet0 permanent R=20 mizar.xyzzy f0:de:f1:98:86:a9 vtnet0 23h59m57s S=20 [0]#=20 After "ndp -s fec0:0:0:4d42::e 20:cf:30:55:5c:b6 && ndp -s fec0:0:0:4d42::e1 20:cf:30:55:5c:b6" (the host has two IPv6 addresses assigned to its interfa= ce; fec0:0:0:4d42::e resolves to hal.xyzzy): [0]# ndp -a Neighbor Linklayer Address Netif Expire S F= lags fec0:0:0:4d42::e1 20:cf:30:55:5c:b6 vtnet0 permanent R=20 v904.xyzzy 00:a0:98:50:35:17 vtnet0 permanent R=20 gandalf.xyzzy 00:03:0d:4f:f3:a7 vtnet0 23h58m54s S R fe80::203:dff:fe4f:f3a7%vtnet0 00:03:0d:4f:f3:a7 vtnet0 23h57m59s S R fe80::218:e7ff:fee0:807b%vtnet0 00:18:e7:e0:80:7b vtnet0 23h57m59s S R 2002:b2bf:ee7e:4d42:2a0:98ff:fe50:3517 00:a0:98:50:35:17 vtnet0 permanent R= =20 fec0::4d42:2a0:98ff:fe50:3517 00:a0:98:50:35:17 vtnet0 permanent R=20 fe80::2a0:98ff:fe50:3517%vtnet0 00:a0:98:50:35:17 vtnet0 permanent R=20 hal.xyzzy 20:cf:30:55:5c:b6 vtnet0 permanent R=20 mizar.xyzzy f0:de:f1:98:86:a9 vtnet0 23h58m54s S=20 [0]#=20 -- Martin --=20 You are receiving this mail because: You are the assignee for the bug.=
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